/Engine/Plugins/Developer/Concert/ConcertUI/ConcertSharedSlate/Source/ConcertSharedSlate/Public/Session/History/SSessionHistory.h
[TSet](API\Runtime\Core\Containers\TSet)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FConcertSessionActivity](API\Plugins\ConcertSyncCore\FConcertSessionActivity) > > GetSelectedActivities() const